The answer is B. It is the only one where each element has the same number of molecules on each side.
because the tectonic plats basically folds under at another point
Answer:
B
Explanation:
In a command Economy, 1 is right. 3 and 4 are plain Rubbish.
Answer:
The villi in the small intestine provide a large surface area with an extensive network of blood capillaries. This makes the villi well adapted to absorb the products of digestion by diffusion and active transport.
Explanation: